55 Cancri e
Astronomical discovery
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55 Cancri e is an exoplanet in the orbit of its Sun-like host star 55 Cancri A. The mass of the exoplanet is about 8.63 Earth masses and its diameter is about twice that of the Earth, thus making it the first super-Earth discovered around a main... Wikipedia
Distance to Earth: 40 light years
Coordinates: RA 8h 52m 36s | Dec +28° 19′ 51″
Radius: 7,422.7 mi
Discoverers: Michael Endl, Fritz Benedict, William D. Cochran, and more
Discovered: August 30, 2004
Gravity: 20.99 m/s²
Density: 5.9 g/cm³